Datasheet

STLM20 Transfer function
Doc ID 12495 Rev 13 7/19
Table 3. Second order parabolic equation (V
CC
= 2.7 V)
Parameter Conditions Min Typ Max Unit
Temperature error based on:
V
OUT
= (–3.88 x 10
–6
× T
2
) + (–1.15 x 10
–2
× T) +
1.8639 where T is the temperature
T
A
= –55 °C 2.457 2.485 2.512
V
T
A
= –40 °C 2.292 2.318 2.343
T
A
= –30 °C 2.181 2.205 2.230
T
A
= –20 °C 2.069 2.092 2.116
T
A
= 0 °C 1.842 1.864 1.886
T
A
= 25 °C 1.556 1.574 1.592
T
A
= 50 °C 1.255 1.279 1.303
T
A
= 85 °C 0.833 0.859 0.884
T
A
= 130 °C 0.272 0.303 0.335
Table 4. Second order parabolic equation for operation over the full voltage range
(V
CC
= 2.4 V to 5.5 V)
Parameter
(1)
1. V
OUT
tolerance is ±4% (temperature grade 9 only).
Conditions Min Max Unit
Temperature error based on:
V
OUT
= (–3.88 x 10
–6
× T
2
) + (–1.15 x 10
–2
× T) +
1.8639, where T is the temperature
T
A
= –55 °C
(2)(3)
2. Valid for V
CC
min = 2.7 V.
3. Valid for temperature grade 7 only.
2.457 2.531
V
T
A
= –40 °C
(2)
2.292 2.362
T
A
= –30 °C 2.180 2.249
T
A
= –20 °C 2.068 2.135
T
A
= 0 °C 1.841 1.904
T
A
= 25 °C 1.555 1.610
T
A
= 50 °C 1.254 1.322
T
A
= 85 °C 0.832 0.903
T
A
= 130 °C
(3)
0.271 0.353